DE69534979D1 - Aufladeelement und Aufladevorrichtung - Google Patents

Aufladeelement und Aufladevorrichtung

Info

Publication number
DE69534979D1
DE69534979D1 DE69534979T DE69534979T DE69534979D1 DE 69534979 D1 DE69534979 D1 DE 69534979D1 DE 69534979 T DE69534979 T DE 69534979T DE 69534979 T DE69534979 T DE 69534979T DE 69534979 D1 DE69534979 D1 DE 69534979D1
Authority
DE
Germany
Prior art keywords
charging
charging device
charging element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69534979T
Other languages
English (en)
Other versions
DE69534979T2 (de
Inventor
Yuzi Ishihara
Kiyoshi Mizoe
Tsunenori Ashibe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP7153494A external-priority patent/JPH07261507A/ja
Priority claimed from JP6340063A external-priority patent/JPH08185014A/ja
Priority claimed from JP04722795A external-priority patent/JP3227333B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE69534979D1 publication Critical patent/DE69534979D1/de
Application granted granted Critical
Publication of DE69534979T2 publication Critical patent/DE69534979T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G03G15/1665—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat
    • G03G15/167—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat at least one of the recording member or the transfer member being rotatable during the transfer
    • G03G15/1685—Structure, details of the transfer member, e.g. chemical composition
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0208—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus
    • G03G15/0216—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus by bringing a charging member into contact with the member to be charged, e.g. roller, brush chargers
    • G03G15/0233—Structure, details of the charging member, e.g. chemical composition, surface properties
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0208—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus
    • G03G15/025—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus by bringing a charging member in the vicinity with the member to be charged, e.g. proximity charging, forming microgap
DE69534979T 1994-03-16 1995-03-16 Aufladeelement und Aufladevorrichtung Expired - Lifetime DE69534979T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP7153494A JPH07261507A (ja) 1994-03-16 1994-03-16 帯電部材、帯電装置、画像形成装置、及びプロセス カートリッジ
JP7153494 1994-03-16
JP34006394 1994-12-29
JP6340063A JPH08185014A (ja) 1994-12-29 1994-12-29 帯電部材及びそれを備えた画像形成装置
JP4722795 1995-03-07
JP04722795A JP3227333B2 (ja) 1995-03-07 1995-03-07 帯電部材及び帯電装置

Publications (2)

Publication Number Publication Date
DE69534979D1 true DE69534979D1 (de) 2006-06-14
DE69534979T2 DE69534979T2 (de) 2006-10-26

Family

ID=27292912

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69534979T Expired - Lifetime DE69534979T2 (de) 1994-03-16 1995-03-16 Aufladeelement und Aufladevorrichtung

Country Status (3)

Country Link
US (1) US5576805A (de)
EP (1) EP0672961B1 (de)
DE (1) DE69534979T2 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69428924T2 (de) * 1993-07-30 2002-04-04 Canon Kk Aufladungsteil, Aufladevorrichtung und aus einem Bilderzeugungsgerät herausnehmbare Prozesskassette
ES2172557T3 (es) * 1994-08-08 2002-10-01 Canon Kk Dispositivo y aparato de carga.
JPH0973211A (ja) * 1995-09-05 1997-03-18 Canon Inc 帯電部材、プロセスカートリッジ及び画像形成装置
US6141516A (en) * 1996-06-28 2000-10-31 Xerox Corporation Fluorinated carbon filled fluoroelastomer outer layer
JPH11125956A (ja) * 1997-10-22 1999-05-11 Casio Electron Mfg Co Ltd 帯電部材及びそれを用いた電子式画像形成装置
US6103815A (en) * 1998-02-17 2000-08-15 Xerox Corporation Fluorinated carbon filled latex fluorocarbon elastomer
DE69919246T2 (de) * 1998-02-26 2005-08-25 Canon K.K. Aufladungselement und Bilderzeugungsgerät
US6035163A (en) * 1998-11-20 2000-03-07 Xerox Corporation Vibration absorbing bias charge roll
US6203855B1 (en) 1999-08-13 2001-03-20 Xerox Corporation Process for preparing nonbleeding fluorinated carbon and zinc oxide filler layer for bias charging member
US6620476B2 (en) 1999-08-13 2003-09-16 Xerox Corporation Nonbleeding fluorinated carbon and zinc oxide filled layer for bias charging member
JP3844658B2 (ja) * 2000-02-08 2006-11-15 株式会社リコー 荷電ローラ、帯電装置、像担持体ユニット、画像形成装置及び荷電ローラへのフィルム材巻付方法
JP3847583B2 (ja) * 2000-08-31 2006-11-22 株式会社リコー 電子写真装置および電子写真装置用プロセスカートリッジ
JP3719647B2 (ja) 2000-09-25 2005-11-24 株式会社リコー 帯電ローラ、帯電装置、担持体ユニット、画像形成装置及び帯電ローラの製造方法
US6548154B1 (en) 2000-11-28 2003-04-15 Xerox Corporation Electrical charge relaxable wear resistant coating for bias charging or transfer member
JP2003215889A (ja) * 2002-01-17 2003-07-30 Ricoh Co Ltd 帯電装置、プロセスカートリッジ及び画像形成装置
US7693456B2 (en) * 2005-01-27 2010-04-06 Ricoh Company, Ltd. Conductive member and process cartridge having it and image forming apparatus having the process cartridge
JP4980008B2 (ja) 2006-08-10 2012-07-18 株式会社リコー 導電性部材及びそれを有するプロセスカートリッジ、並びに、そのプロセスカートリッジを有する画像形成装置
JP4725527B2 (ja) * 2007-01-29 2011-07-13 富士ゼロックス株式会社 画像形成装置および像保持体ユニット
JP5015626B2 (ja) * 2007-02-05 2012-08-29 株式会社リコー 画像形成装置
JP4712788B2 (ja) * 2007-12-26 2011-06-29 シャープ株式会社 定着装置及び画像形成装置
US20110293330A1 (en) * 2010-06-01 2011-12-01 Toshiba Tec Kabushiki Kaisha Image forming apparatus and gap maintaining method of charging roller
EP2624063B1 (de) * 2010-09-27 2016-11-09 Canon Kabushiki Kaisha Elektrifizierungselement, prozesskartusche und elektronische photographievorrichtung
JP5615154B2 (ja) * 2010-12-14 2014-10-29 キヤノン株式会社 帯電部材および画像形成装置
KR101652614B1 (ko) * 2012-02-24 2016-08-30 캐논 가부시끼가이샤 대전 부재, 전자 사진 장치 및 프로세스 카트리지
JP6179810B2 (ja) * 2013-12-06 2017-08-16 株式会社リコー 画像形成装置及びプロセスカートリッジ

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4379630A (en) * 1980-04-01 1983-04-12 Olympus Optical Company Limited Transfer roller for electrophotographic apparatus
US4309737A (en) * 1980-08-27 1982-01-05 Pitney Bowes Inc. Charge roller system for an electrophotographic copier
US4360262A (en) * 1980-10-24 1982-11-23 Pitney Bowes Inc. Electrophotocopier charging and transfer roller
US4851960A (en) * 1986-12-15 1989-07-25 Canon Kabushiki Kaisha Charging device
JPS63149669A (ja) * 1986-12-15 1988-06-22 Canon Inc 接触帯電方法
JPS63208877A (ja) * 1987-02-26 1988-08-30 Canon Inc 接触帯電装置
DE3885830T2 (de) * 1987-09-14 1994-06-16 Canon Kk Aufladevorrichtung.
JP2705780B2 (ja) * 1989-12-25 1998-01-28 キヤノン株式会社 接触帯電部材
JP2746309B2 (ja) * 1990-02-09 1998-05-06 キヤノン株式会社 接触帯電装置
JP2746310B2 (ja) * 1990-02-26 1998-05-06 キヤノン株式会社 接触帯電装置及びその製造方法
JPH0425870A (ja) * 1990-05-21 1992-01-29 Canon Inc 帯電装置
JP2949785B2 (ja) * 1990-06-07 1999-09-20 キヤノン株式会社 帯電装置
JPH04157483A (ja) * 1990-10-22 1992-05-29 Ricoh Co Ltd 接触帯電方式の画像形成装置
JP3053246B2 (ja) * 1991-04-10 2000-06-19 株式会社リコー 半導電性ローラ
JP3243852B2 (ja) * 1992-06-12 2002-01-07 株式会社ブリヂストン 導電性ロール
DE69320724T2 (de) * 1992-06-26 1999-03-25 Canon Kk Kontaktaufladelement und Gerät, das dieses verwendet

Also Published As

Publication number Publication date
EP0672961A2 (de) 1995-09-20
EP0672961A3 (de) 1997-07-09
DE69534979T2 (de) 2006-10-26
EP0672961B1 (de) 2006-05-10
US5576805A (en) 1996-11-19

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